EP1900249A4 - Electro acoustic transducer - Google Patents

Electro acoustic transducer

Info

Publication number: EP1900249A4
Authority: EP; European Patent Office
Prior art keywords: acoustic transducer; electro acoustic; electro; transducer; acoustic
Prior art date: 2005-07-01
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP06748074A

Other languages

German (de)

French (fr)

Other versions

EP1900249B1 (en

EP1900249A1 (en

Inventor

Goeran Ehrlund

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2005-07-01

Filing date

2006-06-30

Publication date

2011-05-25

2006-06-30 Application filed by Individual filed Critical Individual

2008-03-19 Publication of EP1900249A1 publication Critical patent/EP1900249A1/en

2011-05-25 Publication of EP1900249A4 publication Critical patent/EP1900249A4/en

2012-10-24 Application granted granted Critical

2012-10-24 Publication of EP1900249B1 publication Critical patent/EP1900249B1/en

Status Active legal-status Critical Current

2026-06-30 Anticipated expiration legal-status Critical

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/04—Microphones

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

EP06748074A 2005-07-01 2006-06-30 Electro acoustic transducer Active EP1900249B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE0501528		2005-07-01
PCT/SE2006/050235 WO2007004981A1 (en)	2005-07-01	2006-06-30	Electro acoustic transducer

Publications (3)

Publication Number	Publication Date
EP1900249A1 EP1900249A1 (en)	2008-03-19
EP1900249A4 true EP1900249A4 (en)	2011-05-25
EP1900249B1 EP1900249B1 (en)	2012-10-24

Family

ID=37604741

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP06748074A Active EP1900249B1 (en)	2005-07-01	2006-06-30	Electro acoustic transducer

Country Status (6)

Country	Link
US (1)	US8155354B2 (en)
EP (1)	EP1900249B1 (en)
CA (1)	CA2613682C (en)
DK (1)	DK1900249T3 (en)
ES (1)	ES2398238T3 (en)
WO (1)	WO2007004981A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2009071346A (en) *	2007-09-10	2009-04-02	Hosiden Corp	Capacitor microphone
SE534314C2 (en) *	2009-11-10	2011-07-05	Goeran Ehrlund	Electroacoustic converter
JP5620326B2 (en)	2011-04-14	2014-11-05	株式会社オーディオテクニカ	Condenser microphone unit and condenser microphone
US8969980B2 (en)	2011-09-23	2015-03-03	Knowles Electronics, Llc	Vented MEMS apparatus and method of manufacture

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3814864A (en)	1972-07-14	1974-06-04	J Victoreen	Condenser microphone having a plurality of discrete vibratory surfaces
JPH0726887B2 (en)	1986-05-31	1995-03-29	株式会社堀場製作所	Condenser Microphone type detector diaphragm
US4864234A (en) *	1988-05-09	1989-09-05	Magnetic Analysis Corporation	Transducers and method for making same
JP2003230195A (en) *	2002-02-06	2003-08-15	Hosiden Corp	Electret capacitor microphone
US8060173B2 (en)	2003-08-01	2011-11-15	Dexcom, Inc.	System and methods for processing analyte sensor data
TW200514458A (en) *	2003-09-08	2005-04-16	Sambu Communics Co Ltd	Condenser microphone using space efficiently and having no characteristic variations
EP2004796B1 (en) *	2006-01-18	2015-04-08	DexCom, Inc.	Membranes for an analyte sensor
US8199950B2 (en) *	2007-10-22	2012-06-12	Sony Ericsson Mobile Communications Ab	Earphone and a method for providing an improved sound experience

2006
- 2006-06-30 EP EP06748074A patent/EP1900249B1/en active Active
- 2006-06-30 CA CA2613682A patent/CA2613682C/en active Active
- 2006-06-30 US US11/994,051 patent/US8155354B2/en active Active
- 2006-06-30 ES ES06748074T patent/ES2398238T3/en active Active
- 2006-06-30 WO PCT/SE2006/050235 patent/WO2007004981A1/en active Application Filing
- 2006-06-30 DK DK06748074.9T patent/DK1900249T3/en active

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO2007004981A1 *

Also Published As

Publication number	Publication date
CA2613682C (en)	2013-01-08
EP1900249B1 (en)	2012-10-24
US20080205673A1 (en)	2008-08-28
US8155354B2 (en)	2012-04-10
EP1900249A1 (en)	2008-03-19
ES2398238T3 (en)	2013-03-14
CA2613682A1 (en)	2007-01-11
DK1900249T3 (en)	2013-02-04
WO2007004981A1 (en)	2007-01-11

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